Probing Intrinsic Charm with Semileptonic B Decays

Details Probing Intrinsic Charm with Semileptonic B Decays Probing Intrinsic Charm with Semileptonic B Decays

2002-01-17

arxiv.org/abs/hep-ph/0201159v3

Phys.Rev.D66:114015,2002

Physics

High Energy Physics

High Energy Physics - Phenomenology

25 pages, LaTeX, 7 figures, uses epsf.sty. Version substantially revised

Scientific paper

10.1103/PhysRevD.66.114015

We discuss semileptonic B decays of the form B -> J/Psi e nu X as possible probes of intrinsic charm. We calculate the leading order perturbative contribution to the process B- -> J/Psi e- nu_e X and find it to be unobservably small, with a branching ratio ~ 10^-10. We propose a modified spectator model to estimate the intrinsic charm contribution and find that it can be significantly larger, with a branching ratio for B -> (c cbar) e- nu_e X as large as 5 X 10^-7. We show that the process could be observed at these levels by CDF assuming a Run II integrated luminosity of 15 fb^-1, making this a useful reaction to probe the idea of intrinsic charm.

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